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Finding the Fourth Proportional to 299,203.30, 448,755 and 99,544.78

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Solution

The fourth proportional to 299,203.30, 448,755 and 99,544.78 is: 149,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,203.30 : 448,755 = 99,544.78 : x
  2. Step 2: Convert to fraction form
    299,203.30/448,755 = 99,544.78/x
  3. Step 3: Cross multiply
    299,203.30x = 448,755 × 99,544.78
  4. Step 4: Simplify right side
    299,203.30x = 44,671,217,748.90
  5. Step 5: Solve for x
    x = 44,671,217,748.90/299,203.30
  6. Step 6: Final answer
    x = 149,300.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.